{"id":4109953,"url":"https://alion.io/job/radiance-technologies-client-systems-administrator","title":"Client Systems Administrator","company":{"id":1845002,"name":"Radiance Technologies","domain":"radiancetech.com","url":"https://alion.io/company/radiancetech","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":10,"ghost_share":0,"stale_share":0.9,"repost_share":0,"time_to_fill_p50_days":26,"computed_at":"2026-11-11T05:49:22Z"}},"role":"DevOps","role_family":"DevOps","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Beavercreek, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache HTTP Server","optional":false},{"name":"Apache Tomcat","optional":false},{"name":"Linux","optional":false},{"name":"PKI","optional":false},{"name":"Red Hat","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false},{"name":"Java","optional":true}],"status":"live","first_seen_at":"2026-11-11T23:12:07Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T23:12:07Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Dayton OH area. Employee ownership, generous 401K, full health/dental/life/vision insurance benefits, interesting assignments, educational reimbursement, competitive salaries and a pleasant work environment combine to make Radiance Technologies a great place to work and succeed.\nRadiance, supporting major Air Force programs in Dayton OH, is searching for a Client Systems Administrator experience in both Windows and Linux administration plus Cybersecurity Operations to support critical IT resources at the National Air and Space Intelligence Center (NASIC). The qualified candidate will provide expertise in systems administration, configuration, patching, securing, and maintaining enterprise infrastructure across classified and unclassified DoD networks; ensure compliance with applicable information assurance requirements; ensure 24/7 continuity of operations; and create and update relevant system documents. Work hours are normal business hours, however, occasional support during non-business hours will be required.\nSuccessful candidates will have the following behavioral competencies:\nGreat attitude with high degree of customer focus\nFlexible and adaptable to changing priorities\nSolid trouble-shooter, problem solver\nQuick learner; open to learning new things\nReliable and committed to getting the job done (including after hours as occasionally required)\nExcellent coping skills and the ability to juggle multiple priorities\nPossesses the desire to “do things the right way”, follows industry standard processes and guidelines.\nJob Responsibilities\nPerform Installation and Maintenance of Windows and Linux Servers and network systems.\nProvide backup and recovery services; manage file systems and disk space;\nTest updates to enterprise system software to ensure compatibility and minimize user impact.\nDevelop and document best practices and standard operating procedures \nPerformance and network tuning\nEnforce cyber security compliance practices including patching, remediation, and vulnerability management actions\nRequired Skills\n Active Top-Secret clearance with immediate SCI eligibility\nExperience in Identity and access Controls\n5 years of relevant experience with a Bachelor’s Degree in Computer Science/Information Technology or 10 years of relevant experience with an Associate in Information Technology or similar degree.\nExperience administering Red Hat Enterprise and Windows Server in a classified environment\nKnowledge of security operations including security safeguards administration, and information assurance.\nNetwork security certification such as Security+ (minimum) or higher\nDesired Qualifications\nSome exposure to Linux systems\nExperience installing, configuring, and maintaining Tomcat, Apache, and other webserver installations using PKI infrastructure\nExperience with scripting languages and automation\nFamiliarity with load balancing, firewalls and network tools\nRadiance Technologies is an Equal Opportunity Employer. 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